Designed to collect water from most Mega-Pure* stills and control operation of Mega-Pure automatic systems. Stores up to 45 liters of Type II distilled water. The ACS is preset to shut off power to heater(s) and water supply to still after the bottle has collected approximately 45 liters. When the purified water supply has been reduced to 38 liters, the system will automatically restart the water still and refill the collection system. All glass design ensures purity. Features glass inlet and outlet tubing and can be wall or bench mounted. Dimensions (W x D x H) are: 16.25 x 16.25 x 38 in. (41.3 x 41.3 x 96.5 cm). 55 lbs (25.1 kg) shipping weight.